Помогите ,раскройте скобки
15*(a+12)
c*(8-11d)
6*(2n+m)
(n-m)*15p
3*(2p+k+5t)
(y+8)*10+(5-)*6
15*(a+12)
c*(8-11d)
6*(2n+m)
(n-m)*15p
3*(2p+k+5t)
(y+8)*10+(5-)*6
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Answers & Comments
8 с - 11 c d
12 n + 6 m
15np - 15 mp
6p + 3k + 15t
10y + 80, а дальше не понятно в скобках (5 -) что?
с*(8-11d)= 8*с-11dс
6*(2n+m)=6*2n+6m=12n+6n
(n-m)*15p=15pn-15pm
3*(2p+k+5t)= 3*2p+3k+3*5t=6p+3k+15t
(y+8)*10+(5-y)*6=10y+8*10+5*6-6y= 10y+80+30-6y= 10y+110-6y